(19)
(11) EP 0 231 110 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.05.1989 Bulletin 1989/21

(43) Date of publication A2:
05.08.1987 Bulletin 1987/32

(21) Application number: 87300597.9

(22) Date of filing: 23.01.1987
(51) International Patent Classification (IPC)4: B23D 61/00, B27B 33/02
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 23.01.1986 GB 8601656

(71) Applicant: Yang, Tai-Her
Si-Hu Town Dzan-Hwa (TW)

(72) Inventor:
  • Yang, Tai-Her
    Si-Hu Town Dzan-Hwa (TW)

(74) Representative: Arthur, Bryan Edward et al
Withers & Rogers 4 Dyer's Buildings Holborn
London EC1N 2JT
London EC1N 2JT (GB)


(56) References cited: : 
   
       


    (54) Saw blades


    (57) The present invention provides a saw or saw blade having a cutting edge which comprises at least one major tooth, the major tooth being of greater height than neighbouring teeth of the same group and adapted to cut when the blade is moved in a direction opposite from the cutting direction of, the other teeth in the group.





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